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US 5,515,187 AGranted
Liquid crystal display with signal line, storage capacitor and source elongated portions forming storage capacitors between two switching elements
AssigneeKabushiki Kaisha Toshiba
InventorsHiroki Nakamura, Youichi Masuda
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Abstract
A liquid crystal display is described which comprises a plurality of switching elements each including an active region disposed between a drain region and a source region, a pair of pixel elements respectively connected to the drain regions of switching elements, a signal line connecting between a signal line driving circuit and the drain region of the switching element and being disposed between the pair of the pixel elements, a storage capacitor line including a portion disposed between the pair of the pixel elements, and a first dielectric layer interposed between the signal line and the storage capacitor line portion.
Claims20
A liquid crystal display having a plurality of pixel elements each electrically connected to a switching element driven by a signal line driving circuit, comprising:
- a first pair of pixel elements including a first pixel element and a second pixel element;
- a first switching element having a first active region disposed between a first drain region and a first source region, said first source region being electrically connected to said first pixel element;
- a second switching element having a second active region disposed between a second drain region and a second source region, said second source region being electrically connected to said second pixel element;
- a first signal line connecting said signal line driving circuit and said first drain region of said first switching element and being disposed between said first pixel element and said second pixel element in said first pair of said pixel elements;
- a storage capacitor line including an elongated portion, said elongated portion being disposed under said first signal line and between said first pixel element and said second pixel element in said first pair of said pixel elements;
- a first source elongated region extending from said first source region to a region defined between said first pixel element and said second pixel element in said first pair of pixel elements and underlying said elongated portion of said storage capacitor line, such that said elongated portion of said storage capacitor line separates said first source elongated region from said first signal line;
- a first dielectric layer interposed between said first signal line and said elongated portion;
- and
- a second dielectric layer interposed between said elongated portion and said source elongated region.
6 more elements
A liquid crystal display having a plurality of pixel elements each electrically connected to a switching element driven by a signal line driving circuit, comprising:
- a first pair of pixel elements including a first pixel element and a second pixel element;
- a first switching element having a first active region disposed between a first drain region and a first source region, said first source region being electrically connected to said first pixel element;
- a second switching element having a second active region disposed between a second drain region and a second source region, said second source region being electrically connected to said second pixel element;
- a first signal line connecting said signal line driving circuit and said first drain region of said first switching element and being disposed between said first pixel element and said second pixel element in said first pair of said pixel elements;
- a storage capacitor line including an elongated portion, said elongated portion being disposed between said first pixel element and said second pixel element in said first pair of said pixel elements;
- a first dielectric layer interposed between said signal line and said line portion;
- a first source elongated region connected to said first source region of said first switching element;
- a second dielectric layer covering at least a portion of said first source elongated region and being substantially covered with said elongated portion of said storage capacitor line.
5 more elements
A liquid crystal display having a plurality of pixel elements each electrically connected to a switching element driven by a signal line driving circuit, comprising:
- a first pair of pixel elements including a first pixel element and a second pixel element;
- a first switching element having a first active region disposed between a first drain region and a first source region, said first source region being electrically connected to said first pixel element;
- a second switching element having a second active region disposed between a second drain region and a second source region, said second source region being electrically connected to said second pixel element;
- a first signal line connecting said signal line driving circuit and said first drain region of said first switching element and being disposed between said first pixel element and said second pixel element in said first pair of said pixel elements;
- a storage capacitor line including an elongated portion, said elongated portion being disposed between said first pixel element and said second pixel element in said first pair of said pixel elements;
- a first dielectric layer interposed between said signal line and said elongated portion;
- and
- a second dielectric layer interposed between said elongated portion of said storage capacitor line and at least a portion of said first pixel element.
5 more elements
A liquid crystal display having a plurality of pixel elements each electrically connected to a switching element driven by a signal line driving circuit, comprising:
- a first pair of pixel elements including a first pixel element and a second pixel element;
- a first switching element having a first active region disposed between a first drain region and a first source region, said first source region being electrically connected to said first pixel element;
- a second switching element having a second active region disposed between a second drain region and a second source region, said second source region being electrically connected to said second pixel element;
- a first signal line connecting said signal line driving circuit and said first drain region of said first switching element and being disposed between said first pixel element and said second pixel element in said first pair of pixel elements;
- a storage capacitor line comprising an elongated portion extending between said first pixel element and said second pixel element in said first pair of pixel elements;
- a first source elongated region extending from said first source region between said first pixel element and said second pixel element in said first pair of pixel elements;
- a first dielectric layer interposed between said first signal line and said elongated portion of said storage capacitor line;
- and
- a second dielectric layer interposed between said source elongated region and said elongated portion of said storage capacitor line.
6 more elements
A liquid crystal display driven by a signal line driving circuit, comprising:
- a signal line connected to said signal line driving circuit and defining a column in a matrix;
- a first scanning line defining a first row in said matrix;
- a second scanning line defining a second row in said matrix;
- a first pixel element arranged on one side of said signal line and between said first scanning line and said second scanning line;
- a second pixel element disposed adjacent to said first pixel element and being arranged on said one side of said signal line and between said first scanning line and said second scanning line;
- a first switching element having a first source region connected to said first pixel element, a first source elongated region extending from said first source region along said signal line, a first drain region connected to said signal line and a first active region disposed between said first source region and said first drain region;
- a second switching element having a second source region connected to said second pixel element, a second source elongated region extending from said second source region along said signal line, a second drain region connected to said signal line and a second active region disposed between said second source region and said second drain region;
- and
- a storage capacitor line arranged between said first pixel element and said second pixel element, said storage capacitor line having a first elongated portion extending toward said first scanning line and a second elongated portion extending toward said second scanning line, wherein said first elongated portion and said second elongated portion are interposed between said signal line and said first and said second source elongated regions, respectively.
6 more elements
Dependencies are inferred from the claim text.